.bookdetail{
    margin-top:95px;
    height: 380px;
    display: flex;
    overflow: hidden;
}
.bookdetail .detail-img{
    display: flex;
    width: 380px;
    height: 100%;
    justify-content: center;/*子元素水平居中*/
    align-items: center;/*子元素垂直居中*/
}
.bookdetail .detail-content{
    height: 100%;
    flex-grow: 1;
    background-color:whitesmoke;
}
.bookdetail .detail-img img{
    width: 350px;
    height: 350px;
    border: 1px solid #ccc;
    padding: 5px;
}
.bookdetail .detail-img img:hover{
    border: 1px solid #337AB7;
}

.detail-content .detail-content-h{
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;
}

.detail-content .detail-content-h h3{
    font-weight: normal;
}

.detail-content a:hover{
    color: #23527c;
    text-decoration: underline;
}
.detail-content .detail-content-m{
    border-bottom: 1px solid #ccc;
    padding:20px 0px 35px;
}

.detail-content .detail-content-m::after{
    content: '';
    clear: both;
    display: block;
}
.detail-content-m-l{
    float: left;
}

.detail-content-m-l p{
    line-height: 32px;
}

.detail-content-m-r{
    float: right;
    margin-right: 50px;
}

.detail-content-m-r .price{
    font-size: 20px;
    color: red;
}
.selectedstart{
    color: #ff7f50;
}

.detail-content-b {
    height: 70px;
    line-height: 70px; 
}

.detail-content-b span:nth-of-type(1){
    font-weight: bold;
}

.detail-content-b span:nth-of-type(2),span:nth-of-type(3){
    border: 1px solid black;
    width: 10px;
    height: 10px;
}

.detail-content-b span:nth-of-type(2){
    margin-left: 30px;
}

.detail-content-b .num{
    width: 40px;
    height: 25px;
    text-align: center;
}

.detail-content-b button:nth-of-type(1){
    width: 165px;
    height: 50px;
    background-color: #337ab7;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    color: white;
}

.detail-content-b button:nth-of-type(1) i{
    font-size: 28px;
}

.detail-content-b button:nth-of-type(2){
    width: 165px;
    height: 50px;
    background-color: #449d44;
    border: none;
    border-radius: 5px;
    font-size: 18px;
    color: white;
}

.detail-content-b button:nth-of-type(2) i{
    font-size: 28px;
}